Reese Witherspoon says she and her look-alike daughter get mistaken for each other all the time

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Reese Witherspoon shared a photo of herself and daughter Ava Phillippe on Instagram celebrating July 4.

The two look a lot alike.

Witherspoon said she and Ava get mistaken for each other all the time.

Reese Witherspoon shares a lot of photos with her daughter Ava on Instagram. You may need to do a double take when you look at them because the 41-year-old "Big Little Lies" star and her 17-year-old daughter look more like sisters than mother and daughter.

Just take a look at the photo Reese Witherspoon shared of the two celebrating the Fourth of July.

In case you're not convinced, here's another photo of the two the "Big Little Lies" premiere in February.

Whether their hair is up or down, Reese and her lookalike daughter will make you look twice. Kevork Djansezian / Stringer, Getty Images

And another photo of Ava and her mom from April with her two younger brothers in the background.

Ava, the daughter of Reese Witherspoon and actor Ryan Phillippe, is a spitting image of her mom in the '90s. Here's a side by side of Ava next to her famous mom from 2000.

Minus the nose ring, Ava looks like a young Reese Witherspoon. Getty Images